116 



granulis elongatis obliquis inordinatis scobinata ; intus subnacrea. 

 Long. 8, lat. 7, alt. 4 millim. Hab. Ousima. W. S. 



Emarginula pileata. T. minuta, sti-aminea, oblique ovato- 

 conica, costis granulosis numerosis radiantibus ornata ; apice 

 anticali, obtuso ; apertura ovato-rotundata ; margine crenulato ; 

 fissura profunda retrorsum in canalera externum clathratum pro- 

 tracta. Long. 5, lat. et alt. 4 millim. Hab. Loo Choo. W. S. 



Emarginula (Clypidina) altilis. T. parva, oblique conica, 

 elevata, sulcis confertis radiantibus et liris tenuibus concentricis 

 insculpta apice' obtuso, recurvo ; apertura ovalis ; margine cre- 

 nulato ; fissura profunda retrorsum in canalem externum reducta. 

 Long. 5, lat. 4, alt. 4 millim. Hab. Kagosima Bay, 10 fathoms, 

 gravelly. W. S. 



More simply and finely striate than any other species. 



E. (Clypidina) radiata. T. cinerea, elliptica, costis radian- 

 tibus imbricatulis ad 17 et costulis intermedianis ad 3 ornata, 

 prope apicem acutum deflectum submedianum clathrata ; intus 

 viridi radiata, margine denticulato ; fissura curta in canalem in- 

 ternum versus apicem producta. Long. 12, lat. 8, alt. 7 millim. 

 Inhabits Sydney Harbor. W. S. 



E. (Clypidina) textilis. T. parvula, tenuis, fusco et cinereo 

 variegata, ovato-rotundata, costulis concinne imbricatis (tertio vel 

 quarto plerumque majore) radiata ; apice subcentrali acuto ; intus 

 viridi vel zonata vel radiata, margine crenulato ; fissura satis pro- 

 funda postice in canalem internum ad apicem producta. Long. 9, 

 lat. 7, alt. 4 millim. Hab. Ousima, on surf-washed rocks. W. S. 



Rimula echinata. T. parva, ovalis, costata, costis inequali- 

 bus echinatis, interstitiis simplicibus (?), apice acuto revoluto ; 

 foramine oblongo antice rotundato, postice in canalem clathratam 

 reducto ; margine indentato. Long. 9, lat. 7, alt. 4 millim. Hab. : 

 Gaspe Straits. 



An imperfect description from the figure of a shell unfortu- 

 nately lost or missing. It seems different from the three recent 

 species already described, but possibly may be i?. propinqua 

 A. Ad. 



Chiton (Lophyrus) lugubris. T. parva, solida, punctata 



